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Finding the Fourth Proportional to 599,221.71, 898,835.93 and 199,861.39

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Solution

The fourth proportional to 599,221.71, 898,835.93 and 199,861.39 is: 299,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,221.71 : 898,835.93 = 199,861.39 : x
  2. Step 2: Convert to fraction form
    599,221.71/898,835.93 = 199,861.39/x
  3. Step 3: Cross multiply
    599,221.71x = 898,835.93 × 199,861.39
  4. Step 4: Simplify right side
    599,221.71x = 179,642,595,152.44
  5. Step 5: Solve for x
    x = 179,642,595,152.44/599,221.71
  6. Step 6: Final answer
    x = 299,793.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.